Пример #1
0
/*
 * Check for mouse activity, returning nonzero if we find any.
 */
static int
check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
{
    int rc;

#ifdef USE_TERM_DRIVER
    rc = TCBOf(sp)->drv->testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl));
#else
#if USE_SYSMOUSE
    if ((sp->_mouse_type == M_SYSMOUSE)
	&& (sp->_sysmouse_head < sp->_sysmouse_tail)) {
	rc = TW_MOUSE;
    } else
#endif
    {
	rc = _nc_timed_wait(sp,
			    TWAIT_MASK,
			    delay,
			    (int *) 0
			    EVENTLIST_2nd(evl));
#if USE_SYSMOUSE
	if ((sp->_mouse_type == M_SYSMOUSE)
	    && (sp->_sysmouse_head < sp->_sysmouse_tail)
	    && (rc == 0)
	    && (errno == EINTR)) {
	    rc |= TW_MOUSE;
	}
#endif
    }
#endif
    return rc;
}
Пример #2
0
/*
 * Check for mouse activity, returning nonzero if we find any.
 */
static int
check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
{
    int rc;

#ifdef USE_TERM_DRIVER
    TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
    rc = TCBOf(sp)->drv->td_testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl));
# ifdef __MINGW32__
    /* if we emulate terminfo on console, we have to use the console routine */
    if (IsTermInfoOnConsole(sp)) {
	HANDLE fd = _nc_get_handle(sp->_ifd);
	rc = _nc_mingw_testmouse(sp, fd, delay EVENTLIST_2nd(evl));
    } else
# endif
	rc = TCB->drv->td_testmouse(TCB, delay EVENTLIST_2nd(evl));
#else
#if USE_SYSMOUSE
    if ((sp->_mouse_type == M_SYSMOUSE)
	&& (sp->_sysmouse_head < sp->_sysmouse_tail)) {
	rc = TW_MOUSE;
    } else
#endif
    {
	rc = _nc_timed_wait(sp,
			    TWAIT_MASK,
			    delay,
			    (int *) 0
			    EVENTLIST_2nd(evl));
#if USE_SYSMOUSE
	if ((sp->_mouse_type == M_SYSMOUSE)
	    && (sp->_sysmouse_head < sp->_sysmouse_tail)
	    && (rc == 0)
	    && (errno == EINTR)) {
	    rc |= TW_MOUSE;
	}
#endif
    }
#endif
    return rc;
}
Пример #3
0
NCURSES_SP_NAME(newterm) (NCURSES_SP_DCLx
			  NCURSES_CONST char *name,
			  FILE *ofp,
			  FILE *ifp)
{
    int value;
    int errret;
    SCREEN *result = 0;
    SCREEN *current;
    TERMINAL *its_term;
    FILE *_ofp = ofp ? ofp : stdout;
    FILE *_ifp = ifp ? ifp : stdin;
    int cols;
    int slk_format;
    int filter_mode;
    TERMINAL *new_term = 0;

    START_TRACE();
    T((T_CALLED("newterm(%p, \"%s\", %p,%p)"),
       (void *) SP_PARM,
       name,
       (void *) ofp,
       (void *) ifp));

#if NCURSES_SP_FUNCS
    assert(SP_PARM != 0);
    if (SP_PARM == 0)
	returnSP(SP_PARM);
#endif

    _nc_init_pthreads();
    _nc_lock_global(curses);

    current = CURRENT_SCREEN;
    its_term = (current ? current->_term : 0);

    INIT_TERM_DRIVER();
    /* this loads the capability entry, then sets LINES and COLS */
    if (
#if NCURSES_SP_FUNCS
	   SP_PARM->_prescreen &&
#endif
	   TINFO_SETUP_TERM(&new_term, name,
			    fileno(_ofp), &errret, FALSE) != ERR) {

	_nc_set_screen(0);
#ifdef USE_TERM_DRIVER
	assert(new_term != 0);
#endif

#if NCURSES_SP_FUNCS
	slk_format = SP_PARM->slk_format;
	filter_mode = SP_PARM->_filtered;
#else
	slk_format = _nc_globals.slk_format;
	filter_mode = _nc_prescreen.filter_mode;
#endif

	/*
	 * This actually allocates the screen structure, and saves the original
	 * terminal settings.
	 */
	if (NCURSES_SP_NAME(_nc_setupscreen) (
#if NCURSES_SP_FUNCS
						 &SP_PARM,
#endif
						 *(ptrLines(SP_PARM)),
						 *(ptrCols(SP_PARM)),
						 _ofp,
						 filter_mode,
						 slk_format) == ERR) {
	    _nc_set_screen(current);
	    result = 0;
	} else {
#ifdef USE_TERM_DRIVER
	    TERMINAL_CONTROL_BLOCK *TCB;
#elif !NCURSES_SP_FUNCS
	    SP_PARM = CURRENT_SCREEN;
#endif
	    assert(SP_PARM != 0);
	    cols = *(ptrCols(SP_PARM));
#ifdef USE_TERM_DRIVER
	    _nc_set_screen(SP_PARM);
	    TCB = (TERMINAL_CONTROL_BLOCK *) new_term;
	    TCB->csp = SP_PARM;
#endif
	    /*
	     * In setupterm() we did a set_curterm(), but it was before we set
	     * CURRENT_SCREEN.  So the "current" screen's terminal pointer was
	     * overwritten with a different terminal.  Later, in
	     * _nc_setupscreen(), we set CURRENT_SCREEN and the terminal
	     * pointer in the new screen.
	     *
	     * Restore the terminal-pointer for the pre-existing screen, if
	     * any.
	     */
	    if (current)
		current->_term = its_term;

#ifdef USE_TERM_DRIVER
	    SP_PARM->_term = new_term;
#else
	    new_term = SP_PARM->_term;
#endif

	    /* allow user to set maximum escape delay from the environment */
	    if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
		NCURSES_SP_NAME(set_escdelay) (NCURSES_SP_ARGx value);
	    }

	    /* if the terminal type has real soft labels, set those up */
	    if (slk_format && NumLabels > 0 && SLK_STDFMT(slk_format))
		_nc_slk_initialize(StdScreen(SP_PARM), cols);

	    SP_PARM->_ifd = fileno(_ifp);
	    NCURSES_SP_NAME(typeahead) (NCURSES_SP_ARGx fileno(_ifp));
#ifdef TERMIOS
	    SP_PARM->_use_meta = ((new_term->Ottyb.c_cflag & CSIZE) == CS8 &&
				  !(new_term->Ottyb.c_iflag & ISTRIP));
#else
	    SP_PARM->_use_meta = FALSE;
#endif
	    SP_PARM->_endwin = FALSE;
#ifndef USE_TERM_DRIVER
	    /*
	     * Check whether we can optimize scrolling under dumb terminals in
	     * case we do not have any of these capabilities, scrolling
	     * optimization will be useless.
	     */
	    SP_PARM->_scrolling = ((scroll_forward && scroll_reverse) ||
				   ((parm_rindex ||
				     parm_insert_line ||
				     insert_line) &&
				    (parm_index ||
				     parm_delete_line ||
				     delete_line)));
#endif

	    NCURSES_SP_NAME(baudrate) (NCURSES_SP_ARG);		/* sets a field in the screen structure */

	    SP_PARM->_keytry = 0;

	    /* compute movement costs so we can do better move optimization */
#ifdef USE_TERM_DRIVER
	    TCBOf(SP_PARM)->drv->scinit(SP_PARM);
#else
	    /*
	     * Check for mismatched graphic-rendition capabilities.  Most SVr4
	     * terminfo trees contain entries that have rmul or rmso equated to
	     * sgr0 (Solaris curses copes with those entries).  We do this only
	     * for curses, since many termcap applications assume that
	     * smso/rmso and smul/rmul are paired, and will not function
	     * properly if we remove rmso or rmul.  Curses applications
	     * shouldn't be looking at this detail.
	     */
#define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
	    SP_PARM->_use_rmso = SGR0_TEST(exit_standout_mode);
	    SP_PARM->_use_rmul = SGR0_TEST(exit_underline_mode);

	    /* compute movement costs so we can do better move optimization */
	    _nc_mvcur_init();

	    /* initialize terminal to a sane state */
	    _nc_screen_init();
#endif

	    /* Initialize the terminal line settings. */
	    _nc_initscr(NCURSES_SP_ARG);

	    _nc_signal_handler(TRUE);
	    result = SP_PARM;
	}
    }
    _nc_unlock_global(curses);
    returnSP(result);
}